Skin Test For Allergy
- What is a skin test for allergy?
- How is an allergy skin test done?
- What is a positive skin test?
- Can you give an example of a skin test?
- What are the advantages of skin tests?
- Is there danger to a skin test?
- What is done if a skin test can't be done?
- Find a local Asthma & Allergy Specialist in your town
What is a skin test for allergy?
This is a test done on the skin to identify the allergy substance (the allergen) that is the trigger for an allergic reaction.
How is an allergy skin test done?
A small amount of the suspected allergy-provoking substance (the allergen) is placed on the skin. The skin is then gently punctured through the small drop with a special sterile puncture device. An allergy skin test is also called a pric/puncture test. The older terminology was "scratch test."
What is a positive skin test?
If the skin reddens and, more importantly, if it swells, then the test is read as positive and allergy to that substance is considered probable.
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